| ZIP Codes: | 6 ZIP Codes (4 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 843 / 854 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:54:59 PM |
| Population: | 26,686 [See All] |
| FIPS: | 45067 |
| Land Area: | 464 sq mi |
| Water Area: | 5 sq mi |
| Coordinates: | 34.1027, -79.3705 |
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26,686 residents live across 6 ZIPs covering 464 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 31,192 to 26,621 from 2014 to 2024 — a -14.7% change. 0 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 29592 (Sellers, $42,649 median) and poorest ZIP 29546 (Gresham, $32,043) are 25.4 miles apart — a 1.3× income gap across local geography.
Median home values vary 2.3× across this county — from $46,800 in 29592 (Sellers) to $108,400 in 29571 (Marion).
Density varies 5× across the county — from 20 people/sq mi in 29546 (Gresham) to 96 in 29574 (Mullins).
Educational attainment ranges from 10.4% bachelor's+ in 29546 (Gresham) to 16.9% in 29571 (Marion) — the breadth of educational profiles across the area.
Within South Carolina, this is the #35 most populous of 46 counties and ranks #46 for median household income .
Weighted by population, the typical household earns about $35,798 across the county — reflecting what a typical resident sees, not a simple ZIP average.
15.0% of adults age 25+ hold a bachelor's degree or higher (2,847 of 19,016 reporting).
4 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.